Wrapping machine



Aug. 12 1924.

P. PACHTER WRAPPING MACHINE Original Filed Jan. 6, 1919 4 Shee tS-Sheet 1 P. PACHTER WRAPPING MACHINE riginal Filed Jan. 6, 1919 4 Sheets-Sheet 2 P. PACHTER Aug. 12, 1924. 1,504,706

WRAPPING MACHINE.

Original Filed Jan. 6 1919 ASheets-Sheet 5 Aug. 12 1924.

P. PACHTER WRAPPING MACHINE Original Filed Jan. e. 1919 4 Sheets-Sheet 4.

inErn Patented Aug. 12, 1924.

UIED STATS PETER PAGHTER, OF CHICAGO, ILLINOIS.

WRAPPING MACHINE.

Original application filed January 6, 1919, Serial No. 269,832. Now Patent No. 1,453,636. Divided and this application filed June 25, 1920. Serial No. 391,715.

To all whom it may concern:

it known that I, PETER PAOHTER, a citizen of the United States, residing in the city of Chicago, county of Cook. and State of Illinois, have invented certain new and useful Improvements in rapping Machines, of which the following is a specification.

This application 'is a division of an application filed by me, which issued into Patent No. 1,453,636, dated May 1st, 1923.

Among the salient objects of this invention are to provide a wrapping machine by means of which pamphlets, magazines or other flexibly bound literature may be automatically rolled and wrapped and automatically discharged from the machine in condition for mailing.

In the drawings,

Fig. 1 is a side elevation of the wrapping machine, taken from the driving end.

Fig. 2 is a side elevation of the wrapping mechanism taken from the opposite end as Fig. 1 with parts omitted and parts broken away.

Fig. 3 is a vertical sectional view taken on the line 33 of Fig. 1.

Fig. 4 .is a detail perspective view of mechanism for feeding periodicals and wrappers to the wrapping mechanism.

Fig. 5 is an enlarged detail sectional view of the wrapping mechanism.

Fig. 6 is a longitudinal sectional view taken on the line 66 of Fig. 5 looking in the direction of the arrows.

Fig. 7 is a detail view in section of a suction feeding member.

Referring in detail to the drawing, the machine is mounted upon a suitable frame comprising standards 1, having transversely disposed supports 2. At the opposite ends of these supports are racks or holding elements 3 and 4. These racks are similar in construction being open at the tops and outer ends. The bottoms of the racks are inclined as shown at 5 and 6 thereby causing both the stock to be wrapped in rack 3, and the wrapper in rack 4 to slide toward the inner ends of the racks as the stock and wrappers are successively drawn therefrom. The racks or holding elements are so formed to maintain both the stock 7 which may consist of magazines, catalogues, periodicals, pamphlets or any type of flexibly bound literature which can be conveniently wrapped by grippers 13 in their oscillatory path, the circumferential members 15 are provided with laterally extending lugs or projections 16 adapted to be. engaged by the grippers when the latter are tripped or actuated by the tripping mechanism comprising a tappet member or star wheel 17 eccentrically mounted on the end of each rotatable rod 14. The rods are mounted within the cylinders at diametrically opposite points, thus enabling a half revolution of the cylinder to carry the stock and wrappers. The number of grippers and their disposition about the cylinders may be altered commensurate with the size of the cylinders and the stock and wrappers to be handled.

The position of the grippers in gripping or non-gripping is maintained by a spring controlled rod 18 pivoted at 19 to the star wheel 17 the opposite end being free to slide through an aperture in the web 20 cast between a pair of spokes of the cylinder. The rod is'maintained in an adjusted position by the coil spring '21 and holds the star wheel 17 in tilted position. At intervals on the frame of the machine are positioned extensions or lugs 22 and 23 which engage the bifurcated portions of the star wheel as the cylinders rotate. The cylinders rotate in the direction shown by the arrows and as the star-wheels 36 of the respective cylinders 11 and 12 are engaged by the lugs 24 and 22 the grippers are induced to a gripping posi tion at which time the outside set of grippers on one drum grips the edge of the stock while the outside set of grippers in the other drum grips the wrapper.

The star wheels may be rotated upon the rods 14 through the arc of a circle by reason of the sliding relation of the rods 18 with the webs 20, during which the springs 21 are compressed until the ends of the rods 18 which are pivotedto the star wheels have moved beyond dead center, when the action of the springs 21 will place the star wheels and therefore the grippers 13 under tension, thus causing the grippers to firmly hold the stock or wrapper which they havegripped. The counter rotation of the drums will bring the stock and wrapper together at apoint diametrically opposite the points where they were taken from the racks. At this point, due to the lugs 23 and 25 the starwheels are again tripped and the grippers released, that is to say the grippers on the two cylinders, which have been brought into juxtaposition through the rotation of the two cylinders, have both been caused to release the stock and wrapper carried thereby, the cylinders being so arranged that the sheets carried by both cylinders will be forced into intimate relation with each other.

In this manner the cylinder or drum 11 rotates in a clockwise direction and. is adapted to receive the stock which has been stacked in the rack 3 while the drum 12 ro- 'tates in a counter-clockwise direction and is adapted to receive the wrappers which have been stacked in the rack 4 thus permitting one piece of stock to be wrapped to be brought into intimate relation with a wrapper during each half revolution of the two drums.

In order to draw the upper edges of the 7 stock and wrapper away from the mass of the stacked material in the racks or in proper position to be picked up by the gripping members, suction members or fingers 26 are provided to Contact the stock and wrappers so as to draw the same in a position to be gripped. The fingers are pivoted at 27 on the frame of the machine and are provided with a minute longitudinal passage which terminates at a free end or tip of the finger in a cup shaped orifice 28 which is adapted to. extend flush with the adjacent sheet in the racks 3 or 4. The longitudinal passage in the finger at the opposite end terminates in a nipple or boss 29 to which may be at 't'ached a tube 30 which in turn is connected up through branch lines 31 controlled by valvesas that shown at 32 to the suction pump The suction tips 26 at both sides of the machine are similarly oscillated by the following described mechanism. The shafts 9 and 10 ofthe cylinders 11 and 12 are each provided with. cams 34 disposed so as to operate at the same moment. Pivoted on the frame of the machine at. the points 35 and. 35* are a pair of bell cranks 37 and 38 provided with rollers 39 adapted to ride on the cams .The opposite end of the bell crank 37 spivotally connected with a link 40 which is 1n turn pivotally connected with the suction finger 26'. Theother bell crank,

lever 38 has one end pivotally connected to a link or red 41 which in turn ispivotally connected to the suction finger 26 mounted on the right hand side of the machine. The links 40 and 41 each have a spring 42 which hold the bell crank levers in constant contact with the cams. The arrangement is such that the bell crank levers are actuated during each half revolution of the cylinders, at a period in advance of the moment when the grippers of the respective cylinders reach the upper edges of the stacked material in succeeding wrapper and piece of stock at regular intervals in the rotation of the cylinders when the grippers are disposed intermediate of their points of location shown in Fig. 4.

The shaft 9 is provided with an eccentric 43 carrying an eccentric band 44 connected to a rod 45 which is pivoted to the pump piston 46. The pump is operated in timed relation with the machine .mechanism so that the suction stroke of the piston will induce suction in the fingers at the proper moment.

A glue or paste receptacle 47 having a rotatable roller 48 is mounted on the frame of the machine adapted to receive glue or paste from the receptacle. Intermediate of the roller 48 and the cylinder 12 is rotatably mounted a. wiper element 49 adapted to slightly contact the perimeter of roller 48 and thereby be charged with a small. quan tity of glue or paste throughout the longitudinal margin thereof. The wiper element is so disposed that the tip or longitudinal edge thereof will also slightly contact with the wrapper carried by the cylinder 12. The

rotation. of the element 49 is so timed, relative to the rotation of the cylinder 12 that. the wiper merely contacts with one of the longitudinal edges of the wrapper.

To the shaft 10 is keyed a large gear 50 which meshes with a gear 51 mounted upon the shaft 52 to which the wiper element is fixed.

One end of the shaft 9 is mounted in a. bearing in the frame of the machine, while the other end is supported by a yoke or bracket 53. A clutch 54 is slidahly keyed to the shaft and is operated by a. control rod 55. This clutch is adapted to provide operative relation between the shaft 9 and a pulley 56 loosely mounted thereon. pulley is driven by means of a motor 57- through a belt 58. The gear 59 on shaft 9 meshes with gear 50 on shaft 10 causing the drums to be driven in opposite directions.

At a point beneath the cylinders the ma- This chine provided with frame members transversely disposed of the machine. The frame members are enlarged to provide bearings for a number of rollers of the wrapping mechanism. At a point in alignment with the downwardly fed pamphlets and wrapper sheets that are being discharged by the cylinders, are a pair of conipression rollers .60 between which the pamphlets and wrappers pass. 6 The rollers are driven by means of neshing pinions 61 and 62 secured to the end of each'roller and driven from the gear through idler 63, the rollers being caused to rotate opposite directions the same as the cylinders above.

Beneath the pressure rollers is situated a sectional cylinder 64 composed of a permanent section or segment 65 secured to the cross members 20 of the machine frame and two movablesections or segments 66 and 67 while a portion of the cylinder at a point beneath the compression rollers 60 is left open at 68 for the admission of the pamphlet and wrapper sheet. The section 66 isprovided at its ends with end members 69" the upper end thereof being pivoted at 70 to the c o m mbe trams 2. 9 2 pe i t t o 6 to swing o wardly into the position shown in dotted line in 5.v

The section 67 is similar to seetion 66 being also provided with end members 1 which operate similarly to end members 691 of section 66. The free'edges of the movable sections 66 and 67 are controlled by the two short links 72 which are pivotally secured to the sections 66 and 67 and to the rod 73 the latter being connected to the end of the lever 74. The lever 74 is pivoted to the frame of the machine at 75 so as to be free to swing through a vertically disposed arc. Intermediate of its ends, the lever 74 is provided with a roller 76 which is acted upon by a cam 77 secured to the shaft 10. As the cam is rotated with the shaft through the series of connections mentioned the sections 66 and 67 will be spread to the position shown in dotted lines in Fig. 5. The sections comprising the wrapping cylinder 64 are slotted at 78 to permit the insertion of friction rollers 79 which are preferably of rubber or other friction inducing material mounted on shafts 80. The ends of the shafts 80 are provided with pinions 81 which mesh with idlers 82 rotatively mounted at 83. Th pinion 81 at the top of the cylinder 64 adjacent the opening 68 is meshed with pinion 62 so that power is transmitted to the pinions and friction rolls disposed about the left side of the cylinder from this source. Through the medium of the gear 84 meshing with the idler 63 the pinions and friction rolls on the right side of the cylinder are driven. The gear 84 is arranged to mesh with the pinion 81 secured to the shaft 80 at the upper pivotal point of the cylinder section 67 and by means of an intervening idler to the pinion 81 at the lower end of end member 71 of the cylinder section 67.

As is apparent from the construction, the pamphlet and wrapper sheet (the latter having one of its marginal edges supplied with glue'or paste by the wiper) are jointly fed in proper relation to the pressure rolls 60 which causes them to pass down into contact with the inner surface of the cylinder section 67 With the cylinders and pressure rollers in operation, the various friction rollers will be rotated at a requisite speed so that the combined pamphlet stock and wrapper sheet coming in contact with the friction rollers will be rolled into a tubular form with the wrapper sheet on the outside. The wrapper sheet may be made of slightly greater width than the pamphlet so as to have a small portion of the wrapper sheet extend beyond the pamphlet when the latter with the wrapper sheet has been rolled into tube form and the extended edge of the wrapper sheet having been previously suppliedwith glue or paste by the wiper eleinent will therefore be made to adhere to the portion of the sheetwith which it is brought into overlapping relation. Y

The mechanism is so geared and timed that by the time the pamphlet and wrapper sheet have been completely rolled the'cam 77 will separate the cylinder sections so as to allow the completely rolled and wrapped pamphlet to drop out.

Beneath the wrapping is fitted a suitable receiving mechanism which is shown in the nature of an endless belt 85 running over rollers 86 at any desired speed. As the wrapped pamphlets or magazines are discharged from the wrapping cylinder they drop ontothe belt carrier 85 and are con veyed to the side of the machine where they may be gathered up or collected in a receptacle not shown preparatory to being addressed and mailed.

The lever 74 and the wrapping cylinder sections are returned to a closed position by means of a suitable "spring 87,'whereby the roller 76 is maintained in constant contact with the cam 77 so that as the eccentric portion of the cam has passed the roller the lever will be raised to its normal position.

I claim as my invention:

1. A wrapping machine of the class described, comprising correlated cylinders arranged to rotate toward each other, gripping means on said cylinder whereby paper stock is held on the cylinders for a predetermined period, means timed with the cylinders whereby adhesive substance will be applied at a predetermined point to the stock held on one cylinder, means for actuating the gripping means when the cylinders reach a predetermined pointin their rotation to release the paper stock from the cylinders, a. sectional cylinder arranged in the path of the released stock, means cooperating with said sectional cylinder adapted to roll the sheets upon themselves into tubular form.

2. A machine of the class described, comprising two series of continuously moving gripping elements, arranged to move toward each other to bring stock from separate stacks into juxtaposition, means timed with the elements of one series whereby adhesive substance is applied at a predetermined point on the stock carried by the elements of said series, means for receiving the juxtaposed stock adapted to roll the same upon themselves into tubular forms so that the adhesive supplied portion is brought intooverlapping relation with itself, and means timed with said gripping elements whereby said rolling means is actuated to discharge the rolled stock therefrom.

3. A machine of the class described, comprising cylinders arranged in parallel juxtaposition and adapted to rotate toward one 1 another, so that the means adjacent on each 7 cylinder will reach a given point simultaneously, gripper elements positioned on each cylinder, means whereby said gripper elements are effected when the cylinders reach predetermined points for gripping and releasing paper stock, means timed with one of said cylinders whereby adhesive substance is applied to the stock of one cylinder, and means adapted to receive the superposed sheets from said cylinders and cause said stock to be rolled into tubular form.

4. A machine of the class described, comprising parallel cylinders adapted to rotate toward each other, having gripping members positioned on each cylinder operable to engage and carry the elements to be wrapped and the wrappers respectively, causing both the articles to be wrapped and wrapper to be rotated to a given point simultaneously, means for actuating the gripper elements to grip or release the paper stock and wrapper when the cylinders are in predetermined points, means for applying an adhesive substance to the wrapper carried by one cylinder, and means adapted to receive the superimposed sheets from said cylinders and cause said stock to be rolled into tubular form.

5. A machine of the class described, comprising parallel cylinders adapted to rotate toward each other, having gripping members positioned on each cylinder, means for causing said cylinders to be rotated to given points simultaneously, selector devices mounted adjacent the cylinders for feeding the stock and wrappers singly to the cylinders, means for actuating thegripping members to grip and release the stock and wrappers at predetermined points, means for applying an adhesive substance to one edge of the wrapper, and means operable to roll the stock within the wra per and discharge the rolled product theref i'om.

PETER PAGHTER. 

